Makefile.isp

.PHONY: all
.PHONY: debug
.PHONY: release
.PHONY: install
.PHONY: clean

export ISP_PREFIX ?= $(HOME)/.local/isp/

ifeq "$(shell isp-support/check_ninja_version)" "System ninja is new enough"
	NINJA := ninja
else
	NINJA := $(HOME)/.local/bin/ninja
endif

$(info Found ninja at $(NINJA))

BUILD_TYPE ?= debug

COMMON_CMAKE_FLAGS += -G "Ninja"
COMMON_CMAKE_FLAGS += -DLLVM_ENABLE_PROJECTS="clang;lld;llvm"
COMMON_CMAKE_FLAGS += -DCMAKE_MAKE_PROGRAM=$(NINJA)
COMMON_CMAKE_FLAGS += -DCMAKE_INSTALL_PREFIX=$(ISP_PREFIX)
COMMON_CMAKE_FLAGS += -DCMAKE_C_COMPILER=clang
COMMON_CMAKE_FLAGS += -DCMAKE_CXX_COMPILER=clang++
COMMON_CMAKE_FLAGS += -DBUILD_SHARED_LIBS=True
COMMON_CMAKE_FLAGS += -DLLVM_OPTIMIZED_TABLEGEN=True
COMMON_CMAKE_FLAGS += -DLLVM_BUILD_TESTS=True
COMMON_CMAKE_FLAGS += -DLLVM_TARGETS_TO_BUILD="RISCV"
COMMON_CMAKE_FLAGS += -DCLANG_DEFAULT_RTLIB=compiler-rt
COMMON_CMAKE_FLAGS += -DDEFAULT_SYSROOT=$(ISP_PREFIX)/clang_sysroot/riscv64-unknown-elf

DEBUG_CMAKE_FLAGS := -DCMAKE_BUILD_TYPE=Debug
DEBUG_CMAKE_FLAGS += -DLLVM_ENABLE_ASSERTIONS=ON
DEBUG_CMAKE_FLAGS += -DCMAKE_C_FLAGS=-fstandalone-debug
DEBUG_CMAKE_FLAGS += -DCMAKE_CXX_FLAGS=-fstandalone-debug

RELEASE_CMAKE_FLAGS := -DCMAKE_BUILD_TYPE=Release

debug-build/build.ninja: CMAKE_FLAGS := $(COMMON_CMAKE_FLAGS) $(DEBUG_CMAKE_FLAGS)

release-build/build.ninja: CMAKE_FLAGS := $(COMMON_CMAKE_FLAGS) $(RELEASE_CMAKE_FLAGS)

all: $(BUILD_TYPE)

$(BUILD_TYPE): $(BUILD_TYPE)-build/build.ninja
	$(NINJA) -C $(BUILD_TYPE)-build

$(BUILD_TYPE)-build/build.ninja:
	$(RM) -r $(BUILD_TYPE)-build
	mkdir -p $(BUILD_TYPE)-build
	cd $(BUILD_TYPE)-build; cmake $(CMAKE_FLAGS) ../llvm

install: $(BUILD_TYPE)-install

debug-install release-install: %-install: $*
	$(NINJA) -C $*-build install

clean:
	$(RM) -r debug-build
	$(RM) -r release-build